After suitable processing the output is read on the digital display. The Transducer uses the principle of FREQUENCY MODULATION and SLOPE DEMODULATION, resulting into the conversion of air-flow into electrical output. Non-optical, non-magnetic, non-contact Transducer is insensitive to vibrations,dust,temperature,humidity, very high intensity magnetic fields. The sensing head consists of a chemically etched and dynamically balanced stainless steel turbine, which is pivoted on re-enforced jewel bearings, making it extremely sensitive to minute changes in the air- flow. They also permit the measurement of air-flow to an accuracy of +/- 2%.īesides the advanced electronics, the design incorporates many outstanding features. The use of micro-circuits makes the Electronic Anemometer, remarkably compact and trouble free.
whereas the Electronic Anemometer, when placed in the air-flow to be measured, directly reads the air velocity in meters / second. To measure velocity, the Mechanical anemometer requires integration with respect to time. It directly reads the rate of flow of air / gases, eliminating the need to import such instruments.Įlectronic Anemometer has several advantages over the mechanical type in common use, which is only a totalizer. This sophisticated instrument is designed with totally indigenous technical know-how and components. With a sizeable 100mm vane, the Testo 417 Vane Anemometer is the perfect instrument for measuring the performance of heating, ventilation and air-conditioning.
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